Operating instructions

122
Extension EA1
DE1 Digital input 1
DE2 Digital input 2
DE3 Digital input 3
0 - 10 V 0 - 10 V input
fÖ
Power supply [terminals]
fÖA
Power supply terminal for addi-
tional accessories
aBJ
Central fault message/feed
pump/DHW circulation pump
(zero volt)
aVG
KM BUS
Function description
External extensions (accessories)
(cont.)
5692 857 GB